Home / 119,400.75-164,766.52-65,677.09

Finding the Fourth Proportional to 119,400.75, 164,766.52 and 65,677.09

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Solution

The fourth proportional to 119,400.75, 164,766.52 and 65,677.09 is: 90,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,400.75 : 164,766.52 = 65,677.09 : x
  2. Step 2: Convert to fraction form
    119,400.75/164,766.52 = 65,677.09/x
  3. Step 3: Cross multiply
    119,400.75x = 164,766.52 × 65,677.09
  4. Step 4: Simplify right side
    119,400.75x = 10,821,385,563.03
  5. Step 5: Solve for x
    x = 10,821,385,563.03/119,400.75
  6. Step 6: Final answer
    x = 90,630.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.